OpenTechnical

OT-2026-000040506

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000040506) never changes.

Identity and time

Publication numberOT-2026-000040506 · never reused
Internal UUID01a0ae79-6d0d-79f6-abb2-36bba7e59e3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040506
StatusPUBLIC

Content hashes

Canonical text652c684ed9c1080fb9a4dc235e5181ffd0ff682f31b2203c2d97968c43aaaccf
Markdownd49a36d148e9f72d81e64c044bbb8ae634bc54b3c714f5502b9f1c8963927fc0
PDF
Publication page9fd0e0027de8306fa9467af14959fcbf907460be4e21505c31ce83c4adf0be20
Manifest7ed1fb115328ef18b0bafe7fbc72cf9a2b33cb37ed78d9a96e61e5ac427f7884

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature4YxsXE9bk7BEwIzBBPemH+xXYqmpa/1QKtBKyToGYrecsE/DEpACTZzkEYXnRvS8HpBgDNOyAtqopBSF5h4RBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:33.219077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040506
observed 9fd0e0027de8306fa9467af14959fcbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.202793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040506/manifest.json
observed 7ed1fb115328ef18b0bafe7fbc72cf9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.185933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040506/publication.md
observed d49a36d148e9f72d81e64c044bbb8ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.167630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040506/publication.txt
observed 652c684ed9c1080fb9a4dc235e5181ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.